[04/21] powerpc: Mark both tmp variables as unused

[Michael Ellerman]

On Sun, 2018-02-25 at 17:22:19 UTC, Mathieu Malaterre wrote:
> Since the value of `tmp` is never intended to be read, declare both `tmp`
> variables as unused. Fix warning (treated as error in W=1):
> 
>   CC      arch/powerpc/kernel/signal_32.o
> arch/powerpc/kernel/signal_32.c: In function ‘sys_swapcontext’:
> arch/powerpc/kernel/signal_32.c:1048:16: error: variable ‘tmp’ set but not used [-Werror=unused-but-set-variable]
>   unsigned char tmp;
>                 ^~~
> arch/powerpc/kernel/signal_32.c: In function ‘sys_debug_setcontext’:
> arch/powerpc/kernel/signal_32.c:1234:16: error: variable ‘tmp’ set but not used [-Werror=unused-but-set-variable]
>   unsigned char tmp;
>                 ^~~
> cc1: all warnings being treated as errors
> 
> Signed-off-by: Mathieu Malaterre <malat at debian.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/67b464a89c21c9edd45ad15c457bb5

cheers